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1.
G E N E R A L
The
Noisemeter
is an high-sensitive electronic
having a m a x i m u m
s e n s i t i v i t y of
wide frequency range covers f r o m 10Hz to 500kHz(1mV
~ 3 0 0 V ) and the f i v e types of weighting
In addition,
DIN or C C I R quasi-peak or average
detection
w i t h R M S display is selectable, making
possible S / N and noise measurements in accordance
w i t h J IS-A,
DIN N O I S E , DIN A U D I O , C C I R
A R M
standards.
The units are also provided
a 10dB range relative reference adjustment
D C
outputs.
voltmeter
10 M/
fullscale. Its
are selectable.
and
C C I R /
w i t h an overload
indicator,
and A C and
2.
F E A T U R E S
a.
10 # V fullscale m a x i m u m s e n s i t i v i t y w i t h 0 . 2 / ^ V
graduated scale for
b.
Button selection of J I S - A , DIN N O I S E , D I N A U D I O ,
C C I R and C C I R / A R M weighting
possible noise measurements and S / N measurements
in accordance w i t h a v a r i e t y of standards.
c.
In addition to average detection
DIN and C C I R semi-peak detection
display
is available for
w i t h those standards.
d.
A C O U T and D C O U T terminals are provided
f a c i l i t a t e
w a v e f o r m observation, recording
measured values or use of the unit as an
e.
A relative reference adjustment
makes possible relative measurements of s i g n a l s
w i t h respect to an a r b i t r a r i l y
p a r t i c u l a r l y
useful in S / N measurement.
f.
A n overload indication
caused by distortion not detected by the
by viewing the meter
weighting
f i l t e r s .
- 3 -
measurements down to - 1 2 0 d B .
f i l t e r s
make
and R M S display,
w i t h R M S
measurements in
accordance
of
a m p l i f i e r .
f r o m 0
10dB
set reference level,
prevents measurement errors
operator
level for
use w i t h the
to
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